80 PSI on Aluminum Wheels

My friend attend a rally and spend some time with the tire vendor telling about air pressure. He told our friend that he has more air pressure than was needed. On the trip here he blew 3 tires and the cost on the road was not in their favor and then many days getting the repairs done including the removal of the water heater and shower for the total repair.

I will keep our G-614's to almost max pressure. A few miles and the pressure is way over the max anyway.

chevman

For motorized vehicles, I recommend going by the weight inflation charts, which will give the largest tread contact, for the best traction. For towed rigs, I recommend the highest pressure the tire/rim combo will safely take. For trailers, I really don't care about traction, I want stiff sidewalls. The main downside is rougher ride, which can be an issue.

Cummins12V98 wrote:
"According to Endurance owners the tire is stamped on the sidewall "inflate to xx psi"."

I bought a set this summer for my tandem axle boat trailer. I weighed the trailer and run 55psi instead of the 65 on sidewall. I will have to investigate further but I am fairly certain it says "MAX inflation 65psi".

SoundGuy wrote:
In fact what is imprinted on the sidewall of a Goodyear Endurance tire is - "FOR MAX LOAD INFLATE TO XX PSI". In the case of my ST205/75 R14 Endurance that XX would be 65 p.s.i. which is how I run mine on wheels which previously wore off shore shoes in a C load range rated for 50 p.s.i. Some new Endurance owners seem to want to run less than full rated pressure but I wouldn't be one of them - mine run great at their maximum rated 65 p.s.i.

Cummins12V98 wrote:
Please explain WHY you run full psi when your load may only require 55psi?

How 'bout - because I can. :W

The trailer tows better than it ever has before and contrary to opinion from those who've never owned a set it doesn't tow harshly at all when inflated to their maximum rated pressure, in my case 65 p.s.i. Best tires I've ever owned and in a few years I'll hope to also report no issues, unlike the stock, off shore, soft sidewall LR C tires, one of which self destructed ... just because it could. :W JMO, but as this all relates to the OP I see no reason to not run these tires at their maximum rated pressure as long as the rims on which they're mounted are also rated for that pressure.

Right off the GY site -

"Correct tire inflation is a key component in tire care. The recommended maximum inflation pressures for your tires are indicated on the certification label or in your owner's manual. Since RVs can be loaded with many different configurations, the load on each tire will vary. For this reason, actual air pressure required should be determined based on the load on each individual tire. Inflation pressure should be adjusted to handle the tire carrying the heaviest load, and all tires on the axle should be adjusted to this standard."

Goodyear RV Tire Link

dalenoel wrote:

Dennis12 wrote:
Don't go by a hundred answers here. Call the tire manufacturer or better yet e-mail them and you will have record of what they tell you. Fir instance, I run 300 psi in mine. Now are you going to run 300 psi in yours ???

Do you really run 300 psi? seems a little high

He does, but as you know that’s just stupid high pressure. I only run 225psi max for best fuel mileage. 300....that’s just crazy!

ktmrfs wrote:

Cummins12V98 wrote:

SoundGuy wrote:

Cummins12V98 wrote:
"According to Endurance owners the tire is stamped on the sidewall "inflate to xx psi"."

I bought a set this summer for my tandem axle boat trailer. I weighed the trailer and run 55psi instead of the 65 on sidewall. I will have to investigate further but I am fairly certain it says "MAX inflation 65psi".

In fact what is imprinted on the sidewall of a Goodyear Endurance tire is - "FOR MAX LOAD INFLATE TO XX PSI". In the case of my ST205/75 R14 Endurance that XX would be 65 p.s.i. which is how I run mine on wheels which previously wore off shore shoes in a C load range rated for 50 p.s.i. Some new Endurance owners seem to want to run less than full rated pressure but I wouldn't be one of them - mine run great at their maximum rated 65 p.s.i.

Please explain WHY you run full psi when your load may only require 55psi?

1) higher inflation will give more load carrying margin
2) higher inflation will reduce heat buildup
3) higher inflation will help for lateral load stability

And, based on my experience and 3 friends with trailers, we all run at or near max inflation with tires that have a large load margin, and none of us have seen excessive center tread wear, wear has been very even and when we need to replace them every 25K-30K miles, nice even wear.

The old, overinflate center tread wear was a much bigger issue with bias ply tires. Much less an issue with radial ply tires.

Now, on cars and trucks way overinflation certainly has undesireable consequence.

go look at your TV or car sometime and compare the recomended inflation pressure and load at that pressure compared to actual tire load when not towing. You'll likely find that the recomended inflation pressure is noticeably above what it would be if you just went by load alone.

Can't speak to trailer tires but for typical A or C rig the tire mfg will recommend that the pressure be set based on the weight - easy Google. Michelin has a nice table which will give you the recommended pressure based on weight.

Cummins12V98 wrote:

SoundGuy wrote:

Cummins12V98 wrote:
"According to Endurance owners the tire is stamped on the sidewall "inflate to xx psi"."

I bought a set this summer for my tandem axle boat trailer. I weighed the trailer and run 55psi instead of the 65 on sidewall. I will have to investigate further but I am fairly certain it says "MAX inflation 65psi".

In fact what is imprinted on the sidewall of a Goodyear Endurance tire is - "FOR MAX LOAD INFLATE TO XX PSI". In the case of my ST205/75 R14 Endurance that XX would be 65 p.s.i. which is how I run mine on wheels which previously wore off shore shoes in a C load range rated for 50 p.s.i. Some new Endurance owners seem to want to run less than full rated pressure but I wouldn't be one of them - mine run great at their maximum rated 65 p.s.i.

Please explain WHY you run full psi when your load may only require 55psi?

1) higher inflation will give more load carrying margin
2) higher inflation will reduce heat buildup
3) higher inflation will help for lateral load stability

And, based on my experience and 3 friends with trailers, we all run at or near max inflation with tires that have a large load margin, and none of us have seen excessive center tread wear, wear has been very even and when we need to replace them every 25K-30K miles, nice even wear.

The old, overinflate center tread wear was a much bigger issue with bias ply tires. Much less an issue with radial ply tires.

Now, on cars and trucks way overinflation certainly has undesireable consequence.

go look at your TV or car sometime and compare the recomended inflation pressure and load at that pressure compared to actual tire load when not towing. You'll likely find that the recomended inflation pressure is noticeably above what it would be if you just went by load alone.

SoundGuy wrote:

Cummins12V98 wrote:
"According to Endurance owners the tire is stamped on the sidewall "inflate to xx psi"."

I bought a set this summer for my tandem axle boat trailer. I weighed the trailer and run 55psi instead of the 65 on sidewall. I will have to investigate further but I am fairly certain it says "MAX inflation 65psi".

In fact what is imprinted on the sidewall of a Goodyear Endurance tire is - "FOR MAX LOAD INFLATE TO XX PSI". In the case of my ST205/75 R14 Endurance that XX would be 65 p.s.i. which is how I run mine on wheels which previously wore off shore shoes in a C load range rated for 50 p.s.i. Some new Endurance owners seem to want to run less than full rated pressure but I wouldn't be one of them - mine run great at their maximum rated 65 p.s.i.

Please explain WHY you run full psi when your load may only require 55psi?

Yes I would use high pressure snap-in stems or metal.
The wheel should be stamped, embossed or cast on the inside with a pressure or weight rating to confirm max pressure. So get under it and look.

Cummins12V98 wrote:
"According to Endurance owners the tire is stamped on the sidewall "inflate to xx psi"."

I bought a set this summer for my tandem axle boat trailer. I weighed the trailer and run 55psi instead of the 65 on sidewall. I will have to investigate further but I am fairly certain it says "MAX inflation 65psi".

In fact what is imprinted on the sidewall of a Goodyear Endurance tire is - "FOR MAX LOAD INFLATE TO XX PSI". In the case of my ST205/75 R14 Endurance that XX would be 65 p.s.i. which is how I run mine on wheels which previously wore off shore shoes in a C load range rated for 50 p.s.i. Some new Endurance owners seem to want to run less than full rated pressure but I wouldn't be one of them - mine run great at their maximum rated 65 p.s.i.